An anonymous caller steers Jan Maybach into the city center, where a helpless man with a bomb belt calls Jan's name in fear of death. Although Jan manages to defuse the bomb at the last second, his real adventure only begins now.
After a wild night of partying in a villa, Tom Kowalski wakes up naked next to the dead Annette Walter. He can't remember anything. First he tries to find out what happened together with the other three party guests.
The adult education center in Leipzig mourns Bodo Lampert, one of their most popular teachers, who supervised an integration course for migrants. SOKO investigators find him stabbed to death on the steps of the building.
Startled by a cell phone video showing someone being beaten almost to death, the SOKO investigators stumble upon an internet community where young people celebrate violence. The trail leads to the TNT Club, a dubious club.
The murder of a real estate agent leads SOKO to the Leipzig housing market. Jan and Leni, who are already considering buying their own living space, are living undercover for a few days in the district where the murder took place.
In the middle of Jan and Leni's wedding plans, a disturbing murder case bursts. The body of a young woman is found in a rubbish bag, clearly a sexual offense. The crime pattern resembles an unexplained case that happened 15 years ago.
Jochen Krollmann becomes the focus of the investigation. The fastidious bachelor lives with his disabled mother and the profile of the perpetrator fits. Profiler Frank Seefeld prompts SOKO to focus on protecting student Sonia.
Back in the GDR, Hajo convicted sex offender Peter Jaspersen of abusing and killing a seven-year-old child. Hajo had promised his parents that Jaspersen would never be released again. But now he's free again.
The SOKO investigators are called to a horrific find at an idyllic lake. A young woman named Sonja Wagner is recovered as a drowned corpse. The investigators are looking for their mother, Ida Wagner.
Chantal, a prostitute, is murdered in front of a modern brothel. It quickly becomes clear that the perpetrator must have known the area well. Dagmar Schnee from the Leipzig vice department supports the team in the investigation.
Ironically, when Leni is at a parents' evening in the kindergarten, the chairwoman of the parents' initiative, Kerstin Grün, collapses and dies after a heated argument. Jan and his colleagues are immediately called to the crime scene.
Ramona Wagenknecht, a lieutenant in the Bundeswehr, is found dead one morning in downtown Leipzig. Her husband Adrian Wagenknecht is in despair and tells the investigators about the difficulties in reconciling family and work.
An allotment gardener is struck by a lump of ice - frozen liquid from a leaking airplane lavatory. It was actually an accident - until the SOKO laboratory discovered that there was also a lot of blood in the ice.
The severed head of Count Waltheim von Thurmstein is discovered early in the morning on a square in the middle of Leipzig. The 57-year-old had been beheaded with an antique sword in his private apartment the night before.
The sexton of a Catholic parish in Leipzig is killed in the church. Shortly before his death, the 65-year-old received a large sum of money. The staid housekeeper of the parish priest, Cornelia Wettli, has suddenly become wealthy.
The shop detective Benno Dreesen lies with a knife in his back in the parking lot of the cheap discounter "Heisspreis". Dreesen had only been hunting shoplifters there for a week. Tom Kowalski investigates undercover in the store.
Tom Kowalski can hardly believe his eyes: Klara, his friend and colleague who allegedly died two years ago during an undercover investigation, suddenly stands in front of him and tells him a horrible story.
A boy is kidnapped on the street. At least that's what one witness says. But did that really happen? Hajo Trautzschke and his team believe her. Unlike Dr. Binz, who doesn't want to do anything as long as nobody is reported missing.
The body of a young woman is found in the singing booth of a recording studio. Lea Neumann had just recorded a song at the time of her death - and so her sudden death is also recorded on the audio track. Lea was poisoned.
A woman's body is found in a field near Leipzig. Sophie Homberg gave birth to a child shortly before her death - but the baby is gone. According to witnesses, extraterrestrials seem to be responsible for the child's death and kidnapping.
Dagmar Schnee has been receiving anonymous letters for a few days: A colleague is being bullied. When Ina Zimmermann finds a bloody doll with a death threat, there are growing signs that this case is serious.
A young man, Lukas Fischer, dies in hospital from an overdose of crystal meth. Jolle Strand, Lukas' best friend, comes to the police headquarters the next morning. He claims Lukas was killed by his girlfriend Jenny Kramer.
